add order form page models, reorder landing models (#8)

src/models/landing/order.ts

@@ -0,0 +1,23 @@
+import { Car, Customer, Washing } from ".";
+
+export type Id = string;
+
+export type Create = {
+  customer: {
+    phone: Customer.PhoneNumber,
+  };
+  car: {
+    number: Car.RegistrationNumber,
+    body: Car.BodyStyle,
+    color: Car.Color,
+  },
+  washing: {
+    location: Washing.Location
+    begin: Washing.AvailableBeginDateTime,
+    end: Washing.AvailableEndDateTime,
+  }
+};
+
+export type View = {
+  id: Id;
+};